Fiberglass rod for stainless steel sulfuric acid refining production line and technique for producing the same
A production process and glass fiber reinforced plastic technology, applied in the field of glass fiber reinforced plastic rods for stainless steel pickling production lines and their production processes, can solve problems such as corrosion damage, inability to restore the original state, affecting the normal production operation of the production line, etc.
Inactive Publication Date: 2009-05-06
JIANGSU JIUDING NEW MATERIAL CO LTD
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Problems solved by technology
[0002] At present, most pickling production lines use polypropylene or nylon plastic rods, but in the corrosive environment of pickling liquid, the service life of plastic rods is less than one year, which is easy to cause corrosion damage; during the production process, pickling of large size and heavy weight When the stainless steel plate is subjected to the lateral force of the steel plate, the plastic rod is bent and cannot return to its original shape, or even breaks, resulting in the phenomenon that the steel plate is stuck or the plastic rod is stuck, which affects the normal production and operation of the production line
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[0016] As shown in the figure, the FRP rod is divided into three layers a, b, and c from the inside to the outside. Layer a is a filling layer filled with polyurethane, and layer b is a continuous glass impregnated with ordinary unsaturated polyester resin. The strength layer made of fiber yarn pultrusion, and the c-layer are the anti-corrosion layer made of carbon fiber and resin as the main components and coated on the b-layer. The above three layers are closely matched to form a whole. It is suitable for the pickling production line of stainless steel plate, the continuous production of stainless steel plate moves forward continuously during the pickling process, and the glass rod is used for the side guide support of the stainless steel plate. The outer layer is anti-corrosion, and the middle layer has good strength and elastic modulus in the axial direction, which can resist the lateral force of the stainless steel plate during movement and ensure that the FRP rod returns ...
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Abstract
The invention discloses a glass fiber reinforced plastic bar for use in a stainless steel pickling line and a production process thereof. The glass fiber reinforced plastic bar consists of inner, middle, outer three layers from inside to outside, namely, an inner filler layer, a middle reinforcing layer and an outer corrosion-resistant layer. The three layers are closely combined into a whole. A round tube in the middle layer is made by a pultrusion process. The outer layer is formed with carbon fiber and resin which are impregnated according to a certain ratio uniformly spread on the middle layer. The inner layer inside the middle layer is made poured and filled with polyurethane resin. The glass fiber reinforced plastic bar is used for side guide support of a stainless steel plate used in the stainless steel pickling line.
Description
technical field [0001] The invention relates to a glass steel rod and a production method thereof, in particular to a glass steel rod for a stainless steel pickling production line and a production process thereof. Background technique [0002] At present, most pickling production lines use polypropylene or nylon plastic rods, but in the corrosive environment of pickling liquid, the service life of plastic rods is less than one year, which is easy to cause corrosion damage; during the production process, pickling of large size and heavy weight When the stainless steel plate is subjected to the lateral force of the steel plate, the plastic rod is bent and cannot return to its original shape, or even breaks, resulting in the phenomenon that the steel plate is stuck or the plastic rod is stuck, which affects the normal operation of the production line. Contents of the invention [0003] The invention provides a glass fiber reinforced plastic rod for a stainless steel pickling...
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IPC IPC(8): C23G3/00B32B27/00B32B27/12B32B1/08B29D31/00B29D99/00
Inventor 冯永赵佘玉根徐小兵
Owner JIANGSU JIUDING NEW MATERIAL CO LTD